<?php

/**
 * This is the model class for table "photo".
 *
 * The followings are the available columns in table 'photo':
 * @property string $photo_id
 * @property string $album_id
 * @property string $src
 * @property string $publish_date
 *
 * The followings are the available model relations:
 * @property Photoalbum $album
 * @property Photocomment[] $photocomments
 */
class Photo extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @return Photo the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'photo';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('album_id, src', 'required'),
			array('album_id', 'length', 'max'=>10),
			array('src', 'length', 'max'=>255),
			array('publish_date', 'safe'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('photo_id, album_id, src, publish_date', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'album' => array(self::BELONGS_TO, 'Photoalbum', 'album_id'),
			'photocomments' => array(self::HAS_MANY, 'Photocomment', 'photo_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'photo_id' => 'Photo',
			'album_id' => 'Album',
			'src' => 'Src',
			'publish_date' => 'Publish Date',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('photo_id',$this->photo_id,true);
		$criteria->compare('album_id',$this->album_id,true);
		$criteria->compare('src',$this->src,true);
		$criteria->compare('publish_date',$this->publish_date,true);

		return new CActiveDataProvider(get_class($this), array(
			'criteria'=>$criteria,
		));
	}
        
        public function scopes()
        {
            return array(
                'latest'=>array(
                    'order' =>  'publish_date DESC',                    
                ),                
            );
        }
}